Single-Phase Low Voltage Vacuum Contactor | Efficient 1.14kV-2kV Power Switching

This series of high-performance vacuum contactors meets the GB14048.4 standard, and the product performance has reached the current high level at home and abroad. This series of vacuum contactors are suitable for AC 50~60Hz, main circuit voltage 1.14~2kV, main circuit rated current from 1000A to 2000A power network system, for long-distance connection and breaking and frequent start and control of AC motors, transformers and capacitor banks and other occasions, especially suitable for submerged arc furnace low voltage compensation, and for locomotives, wind power, photovoltaic high-power inverter devices as AC side main switch, cost-effective, is an ideal product to replace imported products.

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Feature

It adopts a fully enclosed structure, which is dust-resistant, aging-resistant, beautiful and generous, and maintenance-free.

The special vacuum switch tube of military quality is selected, with large capacity and good heat dissipation performance.

The product has superior switch performance and good opening and closing respect.

It can be operated frequently, and the mechanical life of the product is long, up to more than 300,000 times.

It is suitable for use in locomotives, wind power, photovoltaic high-power inverter devices as AC side main switches, and can also frequently switch capacitor banks, and is used in submerged furnace short grid compensation devices, with stable and reliable performance.

Parameter

The name of the parameter	Model	1250	1600	2000
The frequency voltage of the main circuit	(V)	1140~2000	1140~2000	1140-2000
The main circuit is quite electrically involved	(A)	1000/1250	1600	2000
Main loop closing capability	(A/100times)	10000	12500	16000
The main circuit is on/off	(A/10times)	8000	10000	12500
Ultimate breaking capacity	(A/3times)	10000	10000	12500
Electrical life AC3	(10,000 times)	20	20	20
Electric life AC3 (for locomotives)	(10,000 times)	30	30	30
Mechanical life	(10,000 times)	100	100	100
Rated operating frequency AC3	(Ops./h)	300	300	300
Rated operating frequency AC3 (for locomotives)	(Ops/h)	120	120	120
Contact opening distance	(mm)	4±0.5	4±0.5	4±0.5
Overtravel	(mm)	1.5±0.5	1.5±0.5	1.5±0.5
Secondary control voltage	(V)	ACorDC:36/110/127/220/380or customized